Fix bug in time interpolation when no file available; some doc

pycif/plugins/modes/variational/execute.py

@@ -48,8 +48,11 @@ def execute(self, **kwargs):
             Running a variational inversion with the following modules:
                 Minimizer: {}
                 Simulator: {}
+                Size of the control vector: {}
+                Size of the observation vector: {}
             """.format(
-            minimizer.plugin.name, simulator.plugin.name
+            minimizer.plugin.name, simulator.plugin.name,
+            controlvect.dim, obsvect.dim
         )
         info(towrite)
 

pycif/plugins/simulators/gausscost/__init__.py

@@ -10,6 +10,18 @@ The defining equation is:
    J(\\mathbf{x}) = \\frac{1}{2} (\\mathbf{x} - \\mathbf{x}^\\textrm{b})^\\textrm{T} (\\mathbf{P}^\\textrm{b})^{-1} (\\mathbf{x} - \\mathbf{x}^\\textrm{b}) 
    + \\frac{1}{2} (\\mathcal{H}(\\mathbf{x}) - \\mathbf{y}^\\textrm{o})^\\textrm{T}\\mathbf{R}^{-1}(\\mathcal{H}(\\mathbf{x}) - \\mathbf{y}^\\textrm{o})
 
+The Plugin returns both the cost function and its gradient.
+The gradient is computed using the formula:
+
+.. math::
+
+    \\nabla J_\\mathbf{x} = (\\mathbf{P}^\\textrm{b})^{-1} (\\mathbf{x} - \\mathbf{x}^\\textrm{b})
+    + \\mathcal{H}^*\\left[\\mathbf{R}^{-1}(\\mathcal{H}(\\mathbf{x}) - \\mathbf{y}^\\textrm{o})\\right]
+
+All computations of the cost function and its gradient are saved in the folder
+:bash:`$workdir/simulator` to make debugging easier, as well as monitoring conveniently
+variational inversions during their computation.
+
 """
 
 import os
@@ -33,6 +45,21 @@ requirements = {
     },
 }
 
+input_arguments = {
+    "reload_from_previous": {
+        "doc": "Use results from previous computations, i.e., reload simulated "
+               "concentrations, or adjoint sensitivities from previous observation "
+               "operator computations",
+        "default": False,
+        "accepted": bool
+    },
+    "do_svd": {
+        "doc": "Computes the cost function based on the SVD decomposition",
+        "default": False,
+        "accepted": bool
+    }
+}
+
 
 def ini_data(plugin, **kwargs):
 

pycif/plugins/simulators/gausscost/simul.py

@@ -35,7 +35,7 @@ def simul(self, chi, grad=True, run_id=-1,
     datei = self.datei
     datef = self.datef
     workdir = self.workdir
-    reload_results = getattr(self, "reload_from_previous", False)
+    reload_results = self.reload_from_previous
 
     # Get the observation operator from extra arguments
     if not hasattr(self, "obsoperator"):

pycif/plugins/transforms/basic/time_interpolation/adjoint.py

@@ -110,12 +110,11 @@ def adjoint(
                 continue
                 
             if not mapper["do_interpolation"][ddi]:
-                if mapper["reorder_periods"][ddi]:
+                if sum(mapper["reorder_periods"][ddi]) != 0:
                     interpol_indexes = mapper["interpol_indexes"][ddi]
                     target_period = list(interpol_indexes.keys())[0]
                     inout_datastore["inputs"][trid][target_period] = \
                         outputs
-                
                 continue
             
             all_interpol_indexes = mapper["interpol_indexes"][ddi]